debug-3.1.0.tgz download fails

[egeres]

It seems that https://npm.deepsystems.io/debug/-/debug-3.1.0.tgz is down

/mnt/c/Github/pexels_downloader$ docker-compose build
[+] Building 1.1s (8/10)                                                                                                        docker:default
 => [downloader internal] load build definition from Dockerfile                                                                           0.0s
 => => transferring dockerfile: 208B                                                                                                      0.0s
 => [downloader internal] load .dockerignore                                                                                              0.0s
 => => transferring context: 66B                                                                                                          0.0s
 => [downloader internal] load metadata for docker.io/library/node:9.4.0-slim                                                             0.4s
 => [downloader 1/6] FROM docker.io/library/node:9.4.0-slim@sha256:41812a18ec7c647e85a3d8faba9ce1a213f35945321a5f6b4aef0283ec6ed740       0.0s
 => [downloader internal] load build context                                                                                              0.0s
 => => transferring context: 92B                                                                                                          0.0s
 => CACHED [downloader 2/6] WORKDIR /app                                                                                                  0.0s
 => CACHED [downloader 3/6] COPY package.json yarn.lock /app/                                                                             0.0s
 => ERROR [downloader 4/6] RUN yarn && yarn cache clean                                                                                   0.6s
------
 > [downloader 4/6] RUN yarn && yarn cache clean:
0.318 yarn install v1.3.2
0.350 [1/4] Resolving packages...
0.409 [2/4] Fetching packages...
0.616 error An unexpected error occurred: "https://npm.deepsystems.io/debug/-/debug-3.1.0.tgz: connect ECONNREFUSED 72.52.178.23:443".
0.616 info If you think this is a bug, please open a bug report with the information provided in "/app/yarn-error.log".
0.616 info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
------
failed to solve: process "/bin/sh -c yarn && yarn cache clean" did not complete successfully: exit code: 1